The circadian rhythm in mammals is regulated by two clusters of nerve cells called the suprachiasmatic nuclei (SCN) in the anterior hypothalamus.
哺乳动物中调节昼夜节律的是两个调节神经细胞群，称为视交叉上核中的下丘脑。
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AIM: to study the response of astrocytes and motoneurons in hypoglossal nuclei and their interrelation after hypoglossal nerve injury in rats, and explore the possible mechanism.